Microsoft really wants you to use Edge in the latest Windows Insider builds, and the software giant is not afraid to let you know it. Windows Insider Sean Hoffman took to Twitter last night to express his displeasure at a pop-up shown by Windows 10 when he attempted to install an alternative browser. When he ran the Firefox installer, a pop-up showed up suggesting perhaps he’d like to stick with Edge. It is safer and faster, after all (according to Microsoft).